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Acquisitions (Rant) (Details) - USD ($)
Jul. 12, 2016
Sep. 30, 2016
Jun. 30, 2016
Dec. 03, 2015
Business Acquisition [Line Items]        
Number of shares issued (in shares)       437,500
Preliminary Purchase allocation        
Goodwill   $ 18,859,000 $ 11,270,000  
Rant, Inc.        
Business Acquisition [Line Items]        
Liabilities assumed in acquisition $ 1,990,000      
Shares of the Company's common stock on closing market price at issuance 7,600,000      
Preliminary Purchase allocation        
Goodwill 7,589,000      
Intangible assets 5,500,000      
Total $ 11,099,000      
Rant, Inc. | Series E Preferred Stock        
Business Acquisition [Line Items]        
Number of shares issued in acquisition (in shares) 4,435      
Preferred stock converted into percentage of Company common stock 22.00%      
Secured Debt | Rant, Inc.        
Business Acquisition [Line Items]        
Debt issue amount $ 3,000,000      
Stated interest rate (as a percent) 12.00%      
Conversion to stock price (in dollars per share) $ 5.20